Basic AC Drives
... motor prefers a smooth sine wave, a six-step output can be satisfactorily used. The main disadvantage is torque pulsation which occurs each time a switching device, such as a bipolar transistor, is switched. The pulsations can be noticeable at low speeds as speed variations in the motor. These speed ...
... motor prefers a smooth sine wave, a six-step output can be satisfactorily used. The main disadvantage is torque pulsation which occurs each time a switching device, such as a bipolar transistor, is switched. The pulsations can be noticeable at low speeds as speed variations in the motor. These speed ...
HW03
... Note: This homework has a bunch of calculations on it. Many are quite straightforward if you understand conceptually what determines current and voltage drops (loss of energy by the electrons flowing round) in a circuit. If you find yourself having difficulty, review the Answer Key for HW2. 1) (8 pt ...
... Note: This homework has a bunch of calculations on it. Many are quite straightforward if you understand conceptually what determines current and voltage drops (loss of energy by the electrons flowing round) in a circuit. If you find yourself having difficulty, review the Answer Key for HW2. 1) (8 pt ...
TR-16230 S500-A7_r2.indd
... 200 Volts x 1msec. 200 Volts x 1msec. 0.25 V / See Note 2 0.25 V / See Note 2 No faster than 1 cycle per second module only, see Note 3 Yes Yes ...
... 200 Volts x 1msec. 200 Volts x 1msec. 0.25 V / See Note 2 0.25 V / See Note 2 No faster than 1 cycle per second module only, see Note 3 Yes Yes ...
Press Release - Plant Services
... The effect of utility impedance on the operation of a drive is a function of how stiff or soft the line is. Nominally (i.e. %Z = 1%), the drive short circuit current is set at 100 times the drive rating. On a soft line (i.e. %Z > 10%), the short circuit rating is 10 times the drive’s rating; and on ...
... The effect of utility impedance on the operation of a drive is a function of how stiff or soft the line is. Nominally (i.e. %Z = 1%), the drive short circuit current is set at 100 times the drive rating. On a soft line (i.e. %Z > 10%), the short circuit rating is 10 times the drive’s rating; and on ...
EUP7965 150mA Low-Noise Low-Dropout Linear Regulator
... film capacitor may be used at the input. If a tantalum capacitor is used at the input, it must be guaranteed by the manufacturer to have a surge current rating sufficient for the application. There are no requirements for the ESR on the input capacitor, but tolerance and temperature coefficient must ...
... film capacitor may be used at the input. If a tantalum capacitor is used at the input, it must be guaranteed by the manufacturer to have a surge current rating sufficient for the application. There are no requirements for the ESR on the input capacitor, but tolerance and temperature coefficient must ...
HMC860LP3E
... Two approaches are recommended to manage the stability of the high-current regulators VR1 and VR4. If only one decoupling capacitor is used at the output, the capacitor series resistance Resr must be between 0.2 Ohm and 2 Ohm to insure stability across all loading conditions. This is shown at output ...
... Two approaches are recommended to manage the stability of the high-current regulators VR1 and VR4. If only one decoupling capacitor is used at the output, the capacitor series resistance Resr must be between 0.2 Ohm and 2 Ohm to insure stability across all loading conditions. This is shown at output ...
CE8809 Series
... (-VDET) is applied to VDD, output (VOUT) will be equal to the input at VDD. Note that high impedance exists at VOUT with the N-channel open drain configuration. If the pin is pulled up, VOUT T will be equal to the pull up voltage. ...
... (-VDET) is applied to VDD, output (VOUT) will be equal to the input at VDD. Note that high impedance exists at VOUT with the N-channel open drain configuration. If the pin is pulled up, VOUT T will be equal to the pull up voltage. ...
5 V low drop voltage regulator
... addition, only low value ceramic capacitor is required for stability (above or equal 220 nF). Typical quiescent current is 60 µA at output current equal to 0 and enable high. It drops to 10 µA in “not enabled” mode. On chip trimming results in high output voltage accuracy (2%). Accuracy is kept over ...
... addition, only low value ceramic capacitor is required for stability (above or equal 220 nF). Typical quiescent current is 60 µA at output current equal to 0 and enable high. It drops to 10 µA in “not enabled” mode. On chip trimming results in high output voltage accuracy (2%). Accuracy is kept over ...
PWM Control IC with Power-Saving Function for Light
... When the FB terminal voltage changes from 1.18V to 1V, the oscillation frequency will continuously change up to a frequency approximately 1/2 that of normal state. Even in this reduced frequency state, control of the duty cycle is the same as for normal operation, and the duty changes corresponding ...
... When the FB terminal voltage changes from 1.18V to 1V, the oscillation frequency will continuously change up to a frequency approximately 1/2 that of normal state. Even in this reduced frequency state, control of the duty cycle is the same as for normal operation, and the duty changes corresponding ...
Transistor Devices Inc.
... on the 0-5 A/V is 0.5 ohm, and minimum resistance on the 0-20 A/V is 0.05 ohm. For example, to test a 12V battery with a two ohm resistive load, the mode selector should be set to the 2 A/V position, and the coarse and fine load adjust controls adjusted to obtain the 6A load. ...
... on the 0-5 A/V is 0.5 ohm, and minimum resistance on the 0-20 A/V is 0.05 ohm. For example, to test a 12V battery with a two ohm resistive load, the mode selector should be set to the 2 A/V position, and the coarse and fine load adjust controls adjusted to obtain the 6A load. ...
Difet OPA124 Low Noise Precision OPERATIONAL AMPLIFIER
... current limiting resistors only if its input voltage is greater than 6V more negative than –VCC. A 10kΩ series resistor will limit input current to a safe level with up to ±15V input levels, even if both supply voltages are lost (Figure 2). Static damage can cause subtle changes in amplifier input c ...
... current limiting resistors only if its input voltage is greater than 6V more negative than –VCC. A 10kΩ series resistor will limit input current to a safe level with up to ±15V input levels, even if both supply voltages are lost (Figure 2). Static damage can cause subtle changes in amplifier input c ...
Chapter 29 Faraday’s Law
... Michael Faraday formulated his law of induction. • It had been known for some time that a current could be produced in a wire by a changing magnetic field. • Faraday showed that the induced electromotive force is directly related to the rate at which the magnetic field lines cut across the path. ...
... Michael Faraday formulated his law of induction. • It had been known for some time that a current could be produced in a wire by a changing magnetic field. • Faraday showed that the induced electromotive force is directly related to the rate at which the magnetic field lines cut across the path. ...
BEHInD THE SCEnES WE PLaY a MaJOR ROLE PRECISIOn
... The modularity of the system allows a multitude of functions, which exceed simple current measurement. Among this are the redundant, programmable over-voltage detection and the temperature measurement at the conductor bar. When high-voltage battery systems are used on the high side, the communicatio ...
... The modularity of the system allows a multitude of functions, which exceed simple current measurement. Among this are the redundant, programmable over-voltage detection and the temperature measurement at the conductor bar. When high-voltage battery systems are used on the high side, the communicatio ...
All About Electric Fields
... “zero” volts, the preferred test method is to use a ground rod driven into the soil as described above. This set-up above will work well for most homes and offices where there is accessible soil within 100 feet of each room. If necessary, you can extend the length of the black ground wire even furth ...
... “zero” volts, the preferred test method is to use a ground rod driven into the soil as described above. This set-up above will work well for most homes and offices where there is accessible soil within 100 feet of each room. If necessary, you can extend the length of the black ground wire even furth ...
CN3083 Li-Ion battery charger data sheet
... The charge cycle begins when the voltage at the VIN pin rises above the UVLO level, a current set resistor is connected from the ISET pin to ground. The CH pin outputs a logic low to indicate that the charge cycle is ongoing. At the beginning of the charge cycle, if the voltage at FB pin is below 3V ...
... The charge cycle begins when the voltage at the VIN pin rises above the UVLO level, a current set resistor is connected from the ISET pin to ground. The CH pin outputs a logic low to indicate that the charge cycle is ongoing. At the beginning of the charge cycle, if the voltage at FB pin is below 3V ...
Power Electronics Design
... and highly efficient is for something along the lines of a motor scooter or motor cycle to be powered by an electric motor and batteries. In this case it would be about a 150 to 350 lb vehicle that will transport a single driver. The mechanics in electric-based transportation are simpler than their ...
... and highly efficient is for something along the lines of a motor scooter or motor cycle to be powered by an electric motor and batteries. In this case it would be about a 150 to 350 lb vehicle that will transport a single driver. The mechanics in electric-based transportation are simpler than their ...
Energy Transmission System For Artificial Heart
... circulating current through the magnetizing inductance is largely suppressed. Furthermore, these characteristics do not depend on load as well as coupling coefficient. This frequency, however, varies as the coupling coefficient varies. For the output-voltage regulation, the feedback control of outpu ...
... circulating current through the magnetizing inductance is largely suppressed. Furthermore, these characteristics do not depend on load as well as coupling coefficient. This frequency, however, varies as the coupling coefficient varies. For the output-voltage regulation, the feedback control of outpu ...
MAX730A/MAX738A/MAX744A 5V, Step-Down, Current-Mode PWM DC-DC Converters __________________General Description
... 750mA. The MAX744A guarantees 500mA load capability for inputs above 6V and has tighter oscillator frequency limits for low-noise (radio) applications. The MAX730A accepts inputs between 5.2V and 11V and delivers 450mA for inputs above 6V. Typical efficiencies are 85% to 96%. Quiescent supply curren ...
... 750mA. The MAX744A guarantees 500mA load capability for inputs above 6V and has tighter oscillator frequency limits for low-noise (radio) applications. The MAX730A accepts inputs between 5.2V and 11V and delivers 450mA for inputs above 6V. Typical efficiencies are 85% to 96%. Quiescent supply curren ...
Low Quiescent Current Variable Output Digital Controlled Voltage
... output voltage ranging from 0.5V to 1V in steps of 0.1V. The reference voltage is assumed to be 0.5V. The voltage divider divides the regulated voltage to around 0.5V when it is higher than that. The divided voltage is therefore able to be compared with the reference voltage. The driving strength of ...
... output voltage ranging from 0.5V to 1V in steps of 0.1V. The reference voltage is assumed to be 0.5V. The voltage divider divides the regulated voltage to around 0.5V when it is higher than that. The divided voltage is therefore able to be compared with the reference voltage. The driving strength of ...